Star rating block color panel UI mishap

[richtabor]

The block should use the standard method for providing a color:

Current

Expected

[github-actions[bot]]

OpenAI suggested the following labels for this issue:

• [Feature Group] Editor Experience: The issue pertains to the user interface of a block, which is closely related to the editing experience in WordPress.
• [Feature] Misc Blocks: The issue discusses a block that likely falls under miscellaneous functionalities, indicating a problem with a specific block type.
• [Feature] WordPress.com Block Editor: Since the issue involves a star rating block, it relates to the overall block editor functionality in WordPress.